2020A&A...634A..21S


C.D.S. - SIMBAD4 rel 1.7 - 2021.01.19CET15:58:37

2020A&A...634A..21S - Astronomy and Astrophysics, volume 634A, 21-21 (2020/2-1)

The Carnegie Supernova Project II. Early observations and progenitor constraints of the Type Ib supernova LSQ13abf.

STRITZINGER M.D., TADDIA F., HOLMBO S., BARON E., CONTRERAS C., KARAMEHMETOGLU E., PHILLIPS M.M., SOLLERMAN J., SUNTZEFF N.B., VINKO J., ASHALL C., AVILA C., BURNS C.R., CAMPILLAY A., CASTELLON S., FOLATELLI G., GALBANY L., HOEFLICH P., HSIAO E.Y., MARION G.H., MORRELL N. and WHEELER J.C.

Abstract (from CDS):

Supernova LSQ13abf was discovered soon after explosion by the La Silla-QUEST Survey and then followed by the Carnegie Supernova ProjectII at its optical and near-IR wavelengths. Our analysis indicates that LSQ13abf was discovered within two days of explosion and its first ~=10-days of evolution reveal a B-band light curve with an abrupt drop in luminosity. Contemporaneously, the V-band light curve exhibits a rise towards a first peak and the r- and i-band light curves show no early peak. The early light-curve evolution of LSQ13abf is reminiscent of the post-explosion cooling phase observed in the TypeIb SN 2008D, and the similarity between the two objects extends over weeks. Spectroscopically, LSQ13abf also resembles SN 2008D, with P Cygni HeI features that strengthen over several weeks. Spectral energy distributions are constructed from the broad-bandphotometry, a UVOIR light curve is constructed by fitting black-body (BB) functions, and the underlying BB-temperature and BB-radius profiles are estimated. Explosion parameters are estimated by simultaneously fitting an Arnett model to the UVOIR light curve and the velocity evolution derived from spectral features, and an in addition to a post-shock breakout cooling model to the first two epochs of the bolometric evolution. This combined model suggests an explosion energy of 1.27+/ 0.23x1051ergs, in addition to a relatively high ejecta mass of 5.94±1.10M, a 56Ni mass of 0.16±0.02M, and a progenitor-star radius of 28.0±7.5R. The ejecta mass suggests the origins of LSQ13abf lie with a>25M zero-age-main-sequence mass progenitor and its estimated radius is three times larger compared to the result obtained from the same analysis applied to observations of SN 2008D, and nine times larger compared to SN 1999ex. Alternatively, a comparison of hydrodynamical simulations of ≥20-25M zero-age-main-sequence progenitors that evolve to pre-supernova envelope masses of ≤10M and extended (∼100R) envelopes also broadly match the observations of LSQ13abf.

Abstract Copyright: © ESO 2020

Journal keyword(s): supernovae: individual: LSQ13abf - supernovae: individual: SN 1999ex - supernovae: individual: SN 2008D - supernovae: individual: iPTF13bvn - supernovae: general

Simbad objects: 24

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Number of rows : 24

N Identifier Otype ICRS (J2000)
RA
ICRS (J2000)
DEC
Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2021
#notes
1 PTF 11mnb SN* 00 34 13.25 +02 48 31.4           ~ 10 0
2 SN 2011fu SN* 02 08 21.41 +41 29 12.3           SNII 34 1
3 iPTF 15dtg SN* 02 30 20.05 +37 14 06.7           SNIc 26 0
4 SN 2007Y SN* 03 02 35.92 -22 53 50.1     17.5     SNIb 90 1
5 SN 2006aj SN* 03 21 39.670 +16 52 02.27 17.96 19.11 17.40     SNIc-BL 841 1
6 SN 2009K SN* 04 36 36.77 -00 08 35.6           ~ 16 1
7 SN 1987A SN* 05 35 28.020 -69 16 11.07           SNIIpec 4548 2
8 SN 2010bh SN* 07 10 30.63 -56 15 19.7           SNIc 237 1
9 SN 2008D SN* 09 09 30.625 +33 08 20.16     17.5     SNIb 342 1
10 SN 1993J SN* 09 55 24.77476 +69 01 13.7026   10.8 12.0     SNIIb 1275 1
11 SN 2005bf SN* 10 23 56.99 -03 11 29.3     18.0     SNIb 172 1
12 LSQ 13abf SN* 11 49 06.620 +19 10 10.71           SNIc 3 0
13 LEDA 1582856 G 11 49 06.64896 +19 10 06.2688           ~ 4 0
14 SN 2017ein SN* 11 52 53.26 +44 07 26.2           SNIc 17 0
15 SN 2013dk SN* 12 01 52.72 -18 52 18.3           SNIc 15 1
16 SN 2013df SN* 12 26 29.33 +31 13 38.3           SNIIb 68 1
17 SN 1994I SN* 13 29 54.072 +47 11 30.50     12.9     SNIc 574 1
18 SN 2011dh SN* 13 30 05.10555 +47 10 10.9227           SNIIb 296 1
19 iPTF 13bvn SN* 15 00 00.152 +01 52 53.17           SNIb 113 0
20 ZTF18aalrxas SN* 15 49 11.64 +32 17 16.8           SNIIb 8 0
21 SN 2016coi SN* 21 59 04.14 +18 11 10.5           SNIc 36 0
22 SN 2006oz SN* 22 08 53.56 +00 53 50.4           SLSNIc 71 1
23 SN 1999ex SN* 22 16 07.27 -36 50 53.7   17.35       SNIb 125 2
24 SN 2014ft SN* 23 33 27.95 +33 38 46.1           ~ 20 0

    Equat.    Gal    SGal    Ecl

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2021.01.19-15:58:37

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